5-day weather forecast Reykjavík 16-08-2026

Weather forecast Reykjavík tomorrow 16.08.2026: sunny, temperature from 9 °C to 13 °C.

Precipitation probability 10%. Wind up to 2.61 m/s (gusts 4.22 m/s). Air humidity 68–82%, atmospheric pressure 761–762 mm Hg, UV index up to 3.1.

Sunrise 05:22
Sunset 21:41
Waxing Crescent18% illuminated
Moonrise 11:35 · Moonset 21:13
Chart
Table

Forecast from 9 °C to 13 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)10101099991011111212131313131313131313121111
Precipitation (mm/hr)000000000000000000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)3322222222100413171510770220
Rain chance (%)99999998766556666666791010

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)0.50.390.610.690.810.8111110.810.610.891.612.111.50.690.110.891.391.1111.612.61
Wind gust (m/s)0.810.640.971.141.331.361.671.51.331.281.030.751.142.032.671.890.890.141.191.891.561.532.614.22
Wind direction (°)SSE 154°SE 131°ESE 117°SE 124°SE 139°SE 126°ESE 114°ESE 116°SE 145°S 172°S 184°SW 217°WSW 244°WSW 250°WSW 255°W 262°WNW 285°ESE 111°SSE 157°S 172°SSE 162°SSE 152°ESE 114°ESE 104°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)807979797979797774716968686869686868687074788182

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)761761761761761761761761761761761761761761762762762761761762762762762762

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000.20.50.91.62.22.83.13.12.82.21.50.90.40.2000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)4.154.75.34.44.44.54.64.64.14.14.33.743.63.53.43.23.133.43.84.23.9
PM10 (µg/m³)6.56.76.76.96.87.48.28.48.48.48.26.85.766.26.16.36.25.95.65.75.775.2
Ozone (O₃) (µg/m³)403734313131313333353840424245465148504948494743
NO₂ (µg/m³)10.28.68.98.46.76.26.8776.65.94.94.94.33.93.32.92.62.32.43.15.26.75.3
SO₂ (µg/m³)2.52.74.77.416.517.116.518.813.611.29.48.68.87.56.14.23.63.53.33.133.33.55.7
CO (µg/m³)197203186165161161167174180183186179171170166151148141140138137139153151

Reykjavík on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.